Paper · 2022 · Japanese Journal of Farm Work Research

Yield Comparison between Conventional High Ridge Cultivation and Large Ridge Cultivation in Relation to Conventional Vine Planting and Tuber Seedling Transplanting of the Sweet Potato Cultivar ‘Murasakimasari’

Katsuki ADACHI; Masaaki OMINE; Takanori ISHII; et al.

5
claims
10
verbatim quotes
0
citations
1
research areas
✓
Open access

Abstract

Two field experiments were conducted using the sweet potato cultivar ‘Murasakimasari’ with both conventional vine planting (CVP) and tuber seedling transplanting (TST) to estimate yield properties under large ridge (LAR) cultivation with two rows in a ridge and compared with the conventional high ridge (CHR) cultivation method. The LAR shapes were LAR1 (ridge height [RH], 35 cm; ridge distance [RID], 180 cm; ridge bed width [RBW], 120 cm; ridge shoulder width [RSW], 90 cm; and furrow, 60 cm) and LAR2 (RH, 35 cm; RID, 160 cm; RBW, 100 cm; RSW, 70 cm; and furrow, 60 cm) in 2008, and LAR3 (RH, 35 cm; RID, 160 cm; RBW, 110 cm; RSW, 80 cm; and furrow, 50 cm) in 2009. In 2008, the LAR1 and LAR2 cultivations were not superior in root tuber yield to the CHR cultivation. In 2009, we investigated the yield properties by including the planting density factor (2.222, 1.852, and 1.500 hills m-2) within the ridge cultivation modes (CHR/LAR3) and planting modes (CVP/TST). The lowest root tuber yield was obtained in the LAR3×CVP×1.852 treatment (3784 g m-2). With respect to the two-factor interaction between ridge modes (CHR/LAR3) and planting modes (CVP/TST), the lowest yield was obtained in the LAR3×CVP treatment (4079 g m-2), and under LAR3 conditions, the yield was higher under TST (5169 g m-2) than under CVP at the 1% level. These results suggested that the TST method might be suitable, while the CVP method would be unsuitable, for the LAR3 cultivation. The results obtained in this study could be useful for future studies on ridge shape for sweet potato cultivation.

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 5

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

In 2008, large-ridge LAR1 and LAR2 were not superior in root tuber yield to conventional high ridge cultivation.

Taxon
sweet potatoIpomoea batatase0
Material
Murasakimasarie0
Treatment
LAR1 and LAR2 cultivationse1
Outcome
root tuber yielde1
Direction
not superiore1
Comparator
CHR cultivatione1
Setting
field experimentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Two field experiments were conducted using the sweet potato cultivar ‘Murasakimasari’”

✓ located verbatim in the source · abstract, characters 0–85 · show in text ↑
e1

“In 2008, the LAR1 and LAR2 cultivations were not superior in root tuber yield to the CHR cultivation”

✓ located verbatim in the source · abstract, characters 671–771 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The LAR3×CVP×1.852 treatment gave the lowest root tuber yield, 3784 g m-2.

Taxon
sweet potatoIpomoea batatase0
Material
Murasakimasarie0
Treatment
LAR3×CVP×1.852 treatmente2
Outcome
root tuber yielde2
Direction
loweste2
Value
3784 g m-2e2
Setting
field experimentse0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Two field experiments were conducted using the sweet potato cultivar ‘Murasakimasari’”

✓ located verbatim in the source · abstract, characters 0–85 · show in text ↑
e2

“The lowest root tuber yield was obtained in the LAR3×CVP×1.852 treatment (3784 g m-2)”

✓ located verbatim in the source · abstract, characters 972–1057 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The LAR3×CVP treatment gave the lowest yield, 4079 g m-2, for the ridge-by-planting-mode interaction.

Taxon
sweet potatoIpomoea batatase0
Material
Murasakimasarie0
Treatment
LAR3×CVPe3
Outcome
yielde3
Direction
loweste3
Value
4079 g m-2e3
Setting
field experimentse0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Two field experiments were conducted using the sweet potato cultivar ‘Murasakimasari’”

✓ located verbatim in the source · abstract, characters 0–85 · show in text ↑
e3

“the lowest yield was obtained in the LAR3×CVP treatment (4079 g m-2)”

✓ located verbatim in the source · abstract, characters 1163–1231 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Under LAR3 conditions, tuber seedling transplanting (TST) gave higher yield than conventional vine planting (CVP), 5169 g m-2, at the 1% level.

Taxon
sweet potatoIpomoea batatase0
Material
Murasakimasarie0
Treatment
TSTe4
Outcome
yielde4
Direction
highere4
Value
5169 g m-2e4
Qualifier
under LAR3 conditionse4
Comparator
CVPe4
Setting
field experimentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Two field experiments were conducted using the sweet potato cultivar ‘Murasakimasari’”

✓ located verbatim in the source · abstract, characters 0–85 · show in text ↑
e4

“under LAR3 conditions, the yield was higher under TST (5169 g m-2) than under CVP at the 1% level”

✓ located verbatim in the source · abstract, characters 1237–1334 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors suggest TST might be suitable and CVP unsuitable for LAR3 cultivation.

Taxon
sweet potatoIpomoea batatase0
Outcome
TST method might be suitablee5

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Two field experiments were conducted using the sweet potato cultivar ‘Murasakimasari’”

✓ located verbatim in the source · abstract, characters 0–85 · show in text ↑
e5

“These results suggested that the TST method might be suitable, while the CVP method would be unsuitable, for the LAR3 cultivation”

✓ located verbatim in the source · abstract, characters 1336–1465 · show in text ↑

transplanting · yield · Ipomoea batatas (sweet potato)Positive and negative results

18 papers: 12 positive, 6 negative or no effect

11 papers in the same direction as this paper · 6 in the opposite direction

  1. positive
  2. negative
  3. no effect

14 papers more in this group

See all 18 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.